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Finding the Fourth Proportional to 76,039.74, 114,020.49 and 44,456.76

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Solution

The fourth proportional to 76,039.74, 114,020.49 and 44,456.76 is: 66,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,039.74 : 114,020.49 = 44,456.76 : x
  2. Step 2: Convert to fraction form
    76,039.74/114,020.49 = 44,456.76/x
  3. Step 3: Cross multiply
    76,039.74x = 114,020.49 × 44,456.76
  4. Step 4: Simplify right side
    76,039.74x = 5,068,981,559.01
  5. Step 5: Solve for x
    x = 5,068,981,559.01/76,039.74
  6. Step 6: Final answer
    x = 66,662.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.